US Bridges

SR 47 over Wolf Creek

Fair

Boone County, Indiana · 01.68 S SR 75 · Structure no. 017670

Built
1983
42 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
161 ft
3 main spans
Daily traffic
1,217
2021 count
Owner
State
State Highway Agency

About this bridge

SR 47 over Wolf Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 47 over Wolf Creek in Boone County, Indiana. It was built in 1983, so it is 42 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,217 vehicles a day, roughly 5% of them trucks, projected to reach 3,066 by 2033. The structure is 161 ft (49 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR 47
CrossesWolf Creek
Location01.68 S SR 75
RouteState Highway 47
CountyBoone County
StateIndiana
Coordinates40.13059, -86.64106
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length161 ft (49 m)
Longest span52 ft (16 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,217 (2021)
Projected traffic3,066 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 47 over Wolf Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is SR 47 over Wolf Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does SR 47 over Wolf Creek carry?

About 1,217 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is SR 47 over Wolf Creek?

The structure is 161 ft (49 m) long with a longest span of 52 ft (16 m) and a deck 37 ft wide.

Who owns SR 47 over Wolf Creek?

It is owned by the State Highway Agency.